English verb conjugation
COULD IDENTIFY

Regular verb: identify - identified - identified

Affirmation

Simple form	V-ing form
I could identify you could identify he could identify we could identify you could identify they could identify	I could be identifying you could be identifying he could be identifying we could be identifying you could be identifying they could be identifying
Perfect	V-ing perfect
I could have identified you could have identified he could have identified we could have identified you could have identified they could have identified	I could have been identifying you could have been identifying he could have been identifying we could have been identifying you could have been identifying they could have been identifying

Negation

Simple form	V-ing form
I couldn't identify you couldn't identify he couldn't identify we couldn't identify you couldn't identify they couldn't identify	I couldn't be identifying you couldn't be identifying he couldn't be identifying we couldn't be identifying you couldn't be identifying they couldn't be identifying
Perfect	V-ing perfect
I couldn't have identified you couldn't have identified he couldn't have identified we couldn't have identified you couldn't have identified they couldn't have identified	I couldn't have been identifying you couldn't have been identifying he couldn't have been identifying we couldn't have been identifying you couldn't have been identifying they couldn't have been identifying

Interrogative form

Simple form	V-ing form
could I identify? could you identify? could he identify? could we identify? could you identify? could they identify?	could I be identifying? could you be identifying? could he be identifying? could we be identifying? could you be identifying? could they be identifying?
Perfect	V-ing perfect
could I have identified? could you have identified? could he have identified? could we have identified? could you have identified? could they have identified?	could I have been identifying? could you have been identifying? could he have been identifying? could we have been identifying? could you have been identifying? could they have been identifying?

Interro-negative form

Simple form	V-ing form
couldn't I identify? couldn't you identify? couldn't he identify? couldn't we identify? couldn't you identify? couldn't they identify?	couldn't I be identifying? couldn't you be identifying? couldn't he be identifying? couldn't we be identifying? couldn't you be identifying? couldn't they be identifying?
Perfect	V-ing perfect
couldn't I have identified? couldn't you have identified? couldn't he have identified? couldn't we have identified? couldn't you have identified? couldn't they have identified?	couldn't I have been identifying? couldn't you have been identifying? couldn't he have been identifying? couldn't we have been identifying? couldn't you have been identifying? couldn't they have been identifying?